package com.czx.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.czx.entity.Message;
import com.czx.entity.MyPage;

public interface LetterService extends IService<Message> {
    MyPage getLetter(MyPage page,Integer id);

    Integer secMessage(Integer id);

    MyPage getLetterList(MyPage page, Integer fromId,Integer toId);
}
